import code from "readLine.o"
+//Maybe
+isNothing :: !(Maybe .x) -> Bool
+isNothing Nothing = True
+isNothing _ = False
+
+isJust :: !(Maybe .x) -> Bool
+isJust Nothing = False
+isJust _ = True
+
+fromJust :: !(Maybe .x) -> .x
+fromJust (Just x) = x
+
+instance toString HistoryItem where
+ toString {line,timestamp} = line +++ " (" +++ timestamp +++ ")"
+instance toString HistoryState where
+ toString {entries,offset,flags} = "[" +++ toS entries +++ "]\n" +++
+ "offset: " +++ toString offset +++ "\nflags: " +++ toString flags
+ where
+ toS :: [HistoryItem] -> String
+ toS [] = "--empty--"
+ toS [x] = toString x
+ toS [x:xs] = toString x +++ ","
+
//Readline
-readLine :: !String !Bool !*env -> (!String, !*env)
-readLine s h e = code {
- ccall cleanReadLine "SI:S:A"
- }
+readLine :: !String !Bool !*env -> (!Maybe String, !*env)
+readLine s h e
+# (s, eof, e) = readLineEof s h e
+= (if eof Nothing (Just s), e)
+ where
+ readLineEof :: !String !Bool !*env -> (!String, !Bool, !*env)
+ readLineEof s h e = code {
+ ccall cleanReadLine "SI:VSI:A"
+ }
-setReadLineName :: !String !*env -> !*env
+setReadLineName :: !String !*env -> *env
setReadLineName s e = code {
- ccall cleanSetReadLineName "S:V:A"
+ ccall cleanSetReadLineName "S:V:A"
}
//Initializing History and State Management
-usingHistory :: !*env -> !*env
+usingHistory :: !*env -> *env
usingHistory e = code {
- ccall cleanUsingHistory ":V:A"
+ ccall cleanUsingHistory ":V:A"
}
historyGetHistoryState :: !*env -> (!HistoryState, !*env)
where
getState :: !*env -> (!Int, !Int, !Int, !*env)
getState e= code {
- ccall cleanGetState ":VIII:A"
- }
+ ccall cleanGetState ":VIII:A"
+ }
getItems :: !Int !*env -> (![HistoryItem], !*env)
getItems 0 e = ([], e)
getItems i e
getItem :: !Int !*env -> (!String, !String, !*env)
getItem i e = code {
- ccall cleanGetHistoryItem "I:VSS:A"
- }
+ ccall cleanGetHistoryItem "I:VSS:A"
+ }
-historySetHistoryState :: !HistoryState !*env -> !*env
+historySetHistoryState :: !HistoryState !*env -> *env
historySetHistoryState {entries,offset,flags} e
# e = initNewHistoryState offset flags (length entries) e
# e = setItems entries 0 e
= commit e
where
- initNewHistoryState :: !Int !Int !Int !*env -> !*env
+ initNewHistoryState :: !Int !Int !Int !*env -> *env
initNewHistoryState o f l e = code {
ccall cleanInitNewHistoryState "III:V:A"
}
- setItems :: ![HistoryItem] !Int !*env -> !*env
+ setItems :: ![HistoryItem] !Int !*env -> *env
setItems [] _ e = e
setItems [x:xs] i e
# e = setItem i x.line x.timestamp e
= setItems xs (i+1) e
- setItem :: !Int !String !String !*env -> !*env
+ setItem :: !Int !String !String !*env -> *env
setItem i l t e = code {
ccall cleanSetNewHistoryEntry "ISS:V:A"
}
- commit :: !*env -> !*env
+ commit :: !*env -> *env
commit e = code {
ccall cleanCommitSetHistory ":V:A"
}
//History List Management
-addHistory :: !String !*env -> !*env
+addHistory :: !String !*env -> *env
addHistory s e = code {
- ccall cleanAddHistory "S:V:A"
+ ccall cleanAddHistory "S:V:A"
}
-clearHistory :: !*env -> !*env
+addHistoryTime :: !String !*env -> *env
+addHistoryTime s e = code {
+ ccall cleanAddHistoryTime "S:V:A"
+ }
+
+removeHistory :: !Int !*env -> (!HistoryItem, !*env)
+removeHistory i e
+# (line, timestamp, e) = removeHistoryItem i e
+= ({HistoryItem | line=line, timestamp=timestamp}, e)
+ where
+ removeHistoryItem :: !Int !*env -> (!String, !String, !*env)
+ removeHistoryItem i e = code {
+ ccall cleanRemoveHistory "I:VSS:A"
+ }
+
+replaceHistoryEntry :: !Int !String !*env -> (!HistoryItem, !*env)
+replaceHistoryEntry i s e
+# (line, timestamp, e) = replaceItem i s e
+= ({HistoryItem | line=line, timestamp=timestamp}, e)
+ where
+ replaceItem :: !Int !String !*env -> (!String, !String, !*env)
+ replaceItem i s e = code {
+ ccall cleanReplaceHistoryEntry "IS:VSS:A"
+ }
+
+clearHistory :: !*env -> *env
clearHistory e = code {
- ccall cleanClearHistory ":V:A"
+ ccall cleanClearHistory ":V:A"
+ }
+
+stifleHistory :: !Int !*env -> *env
+stifleHistory i e = code {
+ ccall cleanStifleHistory "I:V:A"
+ }
+
+unstifleHistory :: !*env -> *env
+unstifleHistory e = code {
+ ccall cleanUnstifleHistory ":V:A"
+ }
+
+historyIsStifled :: !*env -> (!Int, !*env)
+historyIsStifled e = code {
+ ccall cleanHistoryIsStifled ":I:A"
}
//Information About the History List
+historyList :: !*env -> (![HistoryItem], !*env)
+historyList e
+# ({entries,offset,flags}, e) = historyGetHistoryState e
+= (entries, e)
+
+whereHistory :: !*env -> (!Int, !*env)
+whereHistory e
+# ({entries,offset,flags}, e) = historyGetHistoryState e
+= (offset, e)
+
+currentHistory :: !*env -> (!Maybe HistoryItem, !*env)
+currentHistory e
+# ({entries,offset,flags}, e) = historyGetHistoryState e
+= (if (isEmpty entries) Nothing (Just (entries!!offset)), e)
+
+historyGet :: !Int !*env -> (!Maybe HistoryItem, !*env)
+historyGet i e
+# ({entries,offset,flags}, e) = historyGetHistoryState e
+= (if (isEmpty entries) Nothing (Just (entries!!i)), e)
+
+historyGetTime :: HistoryItem -> String
+historyGetTime {line,timestamp} = timestamp
+
+historyTotalBytes :: !*env -> (!Int, !*env)
+historyTotalBytes e = code {
+ ccall cleanHistoryTotalBytes ":I:A"
+ }
//Moving Around the History List
//Searching the History List
historySearch :: !String !Int !*env-> (!Int, !*env)
historySearch s i e = code {
- ccall cleanHistorySearch "SI:I:A"
+ ccall cleanHistorySearch "SI:I:A"
}
historySearchPrefix :: !String !Int !*env-> (!Int, !*env)
historySearchPrefix s i e = code {
- ccall cleanHistorySearchPrefix "SI:I:A"
+ ccall cleanHistorySearchPrefix "SI:I:A"
}
historySearchPos :: !String !Int !Int !*env-> (!Int, !*env)
historySearchPos s i1 i2 e = code {
- ccall cleanHistorySearchPos "SI:I:A"
+ ccall cleanHistorySearchPos "SI:I:A"
}
//Managing the History File
readHistory :: !String !*env -> (!Bool, !*env)
readHistory s e = code {
- ccall cleanReadHistory "S:I:A"
+ ccall cleanReadHistory "S:I:A"
}
readHistoryRange :: !String !Int !Int !*env -> (!Bool, !*env)
readHistoryRange s i1 i2 e = code {
- ccall cleanReadHistoryRange "SII:I:A"
+ ccall cleanReadHistoryRange "SII:I:A"
}
writeHistory :: !String !*env -> (!Bool, !*env)
writeHistory s e = code {
- ccall cleanWriteHistory "S:I:A"
+ ccall cleanWriteHistory "S:I:A"
}
appendHistory :: !Int !String !*env -> (!Bool, !*env)
appendHistory i s e = code {
- ccall cleanWriteHistory "IS:I:A"
+ ccall cleanWriteHistory "IS:I:A"
}
historyTruncateFile :: !String !Int !*env -> (!Bool, !*env)
historyTruncateFile i s e = code {
- ccall cleanWriteHistory "SI:I:A"
+ ccall cleanWriteHistory "SI:I:A"
}